Thanks Etienne But python is not my best skill in this session!!!!!!!!!!!! I will try! -- View this message in context: http://osgeo-org.1560.n6.nabble.com/Convert-to-temperature-in-degrees-C-in-MODIS-Ocean-Color-tp4989237p4989377.html Sent from the GDAL - Dev mailing list archive at Nabble.com.